1 sentence

1. 实验人员在烧杯中小心地加入了几滴药剂。

   shí​yàn rén​yuán zài shāo​bēi zhōng xiǎo​xīn de jiā​rù le jǐ dī yào​jì.

   The lab technician carefully added a few drops of the reagent to the beaker.

   Source: Dong Chinese Dictionary